11.5 



DYTISCUS, Linneus. 



DYTICUS, Geoffroy. 



HYDROPHILID^ and DYTICID^E, Leach. 



Linnean Species. 



Country. 



Genera of Authors. 



1. 



Piceus 



England 



Hydrous, Linneus, MSS. 



2. 



Caraboides 



England 



Hydropbilus, Auctorum. 



3. 



Scarabseoides 



England 



Hydrobius, Leach. 



4. 



Fuscipes 



England 



Hydrobius, Leach. 



5. 



Luridus 



England 



Berosus, Germar. 



6. 



Latissimus 



Germany 



Dyticus, Geoffroy. 



7. 



Marginalis 



England 



Dyticus, Geoffroy. 



8. 



Semistriatus 



England 







9. 



Striatus 



England 



Colymbetes, Clairville. 



10. 



Fuscus 



England 



Colymbetes, Clairville. 



11. 



Cinereus 



England 



Grapboderus, Eschscholtz. 



12. 



Sticticus 



Barbary 



Eunectes, Erichson. 



13. 



Sulcatus 



England 



Acilius, Leach. 



14. 



Erytbrocepbalus 



England 



Hydroporus, Clairville. 



15. 



Maculatus 



England 



Necticus, Hope. 



16. 



Ferrugineus 



England 



Haliplus, Latreille. 



17. 



Bipustulatus 



England 



Necticus, Hope. 



18. 



Ovatus 



England 



Hypbidrus, Illiger. 



19. 



Palustris 



England 



Hydroporus, Clairville. 



20. 



Uliginosus 



England 



Necticus, Hope. 



21. 



Bimaculatus 



France 



Phaleria, Latreille. 



22. 



Granulans 



England 



Hydroporus, Clairville. 



23. 



Miuutus 



England 



Laccopbilus, Leach. 



1. Natator 



2. Americanus 



GYR1NUS, Linneus. 



England 

 N. America 



Gyrinus, Auctorum. 

 Cyclous, Eschscholtz. 



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